﻿#region Copyright (c) 2009, Active Web Solutions Ltd.
// Copyright (c) 2009, Active Web Solutions Ltd
// All rights reserved.

// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:

// * Redistributions of source code must retain the above copyright
//   notice, this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the distribution.

// * Neither the name of Active Web Solutions Ltd nor the names of its
//   contributors may be used to endorse or promote products derived from
//   this software without specific prior written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion

using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace Aws.SocketShifter
{
    public class SocketShifterClientListener
    {
        private int localPort;
        private string solutionName;
        private string solutionPassword;
        private string servicePath;
        private string remoteHost;
        private int remotePort;
        private Thread backgroundThread;
        private string localAddress;
 
        public SocketShifterClientListener(string solutionName, string solutionPassword,string servicePath, string localAddress, int localPort, string remoteHost, int remotePort)
        {
            this.solutionName = solutionName;
            this.solutionPassword = solutionPassword;
            this.servicePath = servicePath;
            this.localAddress = localAddress;
            this.localPort = localPort;
            this.remoteHost = remoteHost;
            this.remotePort = remotePort;    
        }

        private void TopLoop()
        {
            TcpListener tcpListener = new TcpListener(IPAddress.Parse(localAddress), localPort);
            
            tcpListener.Start();

            while (true)
            {
                Debug.WriteLine("Listening for connections...");
                TcpClient tcpClient = tcpListener.AcceptTcpClient();

                SocketShifterClient socketShifterClient = new SocketShifterClient(tcpClient, solutionName, solutionPassword, servicePath, remoteHost, remotePort);
                socketShifterClient.Start();
                Debug.WriteLine("New connection accepted, SocketShifterClient started.");
            }
        }

        public void Start()
        {
            backgroundThread = new Thread(new ThreadStart(TopLoop));
            backgroundThread.Start();
        }

        public void Stop()
        {
            backgroundThread.Abort();
        }
    }
}
